Help Guide
Troubleshooting
Portable Headphone Amplifier
PHA-1A
Power
Unable to turn on the headphone amplifier/The battery life becomes short.
Even though the power/volume knob is in the on position, the POWER/CHG (charge) indicator lights up in red.
Unable to charge the battery.
Charging time is too long.
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How to Use
Getting Started
Making connections
Listening to music
Information
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Troubleshooting
Troubleshooting
Headphone amplifier
Connected device
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List of Topics
How to Use
Troubleshooting
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